Solve by Extracting Square Roots $$x ^ { 2 } - 25 = 0$$

question 15

Multiple Choice

Solve by extracting square roots.
- $$x ^ { 2 } - 25 = 0$$

• A) \(\{ 5 , - 5 \}\)
• B) \(\{ 14 \}\)
• C) \(\{ 4 , - 4 \}\)
• D) \(\{ 5 \}\)

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Definitions:

Bradycardia

A slower than normal heart rate, typically defined as fewer than 60 beats per minute in adults.

Myocardial Infarction

The event of heart tissue damage due to restricted blood flow, leading to chest pain and potential cardiac arrest, also known as a heart attack.

Tachycardia

A condition characterized by an abnormally fast heart rate, usually defined as exceeding 100 beats per minute in adults.

Angina Pectoris

A condition marked by severe chest pain due to insufficient blood supply to the heart, often a symptom of coronary artery disease.